1232222402131 has 4 divisors (see below), whose sum is σ = 1408254173872. Its totient is φ = 1056190630392.

The previous prime is 1232222402123. The next prime is 1232222402137. The reversal of 1232222402131 is 1312042222321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1232222402131 - 2³ = 1232222402123 is a prime.

It is a super-2 number, since 2×1232222402131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1232222402096 and 1232222402105.

It is not an unprimeable number, because it can be changed into a prime (1232222402137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88015885860 + ... + 88015885873.

It is an arithmetic number, because the mean of its divisors is an integer number (352063543468).

Almost surely, 2^{1232222402131} is an apocalyptic number.

1232222402131 is a deficient number, since it is larger than the sum of its proper divisors (176031771741).

1232222402131 is an equidigital number, since it uses as much as digits as its factorization.

1232222402131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176031771740.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1232222402131 its reverse (1312042222321), we get a palindrome (2544264624452).

The spelling of 1232222402131 in words is "one trillion, two hundred thirty-two billion, two hundred twenty-two million, four hundred two thousand, one hundred thirty-one".